Home / 10,689.18-16,033.86-3,293.70

Finding the Fourth Proportional to 10,689.18, 16,033.86 and 3,293.70

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Solution

The fourth proportional to 10,689.18, 16,033.86 and 3,293.70 is: 4,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.18 : 16,033.86 = 3,293.70 : x
  2. Step 2: Convert to fraction form
    10,689.18/16,033.86 = 3,293.70/x
  3. Step 3: Cross multiply
    10,689.18x = 16,033.86 × 3,293.70
  4. Step 4: Simplify right side
    10,689.18x = 52,810,724.68
  5. Step 5: Solve for x
    x = 52,810,724.68/10,689.18
  6. Step 6: Final answer
    x = 4,940.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.